Space Invaders was chosen to mod into a four game entertainment powerhouse.Ībsolutely brilliant, I was saying, - No need for 4 jumper switches and 16 solder joints! hey, wait! My Aunt's name is Ann Mann, maybe she's related.? Why shouldn't I get to play Pac-Man and Ms. I love the sound and artwork most on the Galaxian, and next the artwork on Space Invaders. Okay! They had sold out of those 2 of the 4 released games. That said, I did enjoy modding one of the "Tiny Arcade" games with the brilliant mod of using the 4 joystick positions at power up to select 1 of the 4 contained games. Yep.Īlthough a repair will get done because it is fast, rewarding, and easier for me than disposing and buying new. I probably couldn't create one if I wanted to, but I liked following guides or assembling kits or repairing things that most would just trash.Ī few years ago I seemed to have switched to collecting projects to complete, as opposed to completing projects. I did lots of mods and electronics projects, going back to when I was a kid. Thank goodness I don't have to go in on a Saturday. So in leiu of a better solder point, I will have to connect the Dip Switch ground to the other side of the jumpers.Īnyway it was 10:00 and my days start very early, so I didn't want to fool around with soldering to delicate jumper tabs until tomorrow when I get a fresh start. There's about 10kohm worth of resistance between the jumpers and the ground plane. Furthermore I probed the pcb to learn that the jumpers do not connect directly to ground. It also means my idea of connecting the unused pin 4 on the dip switch array to nes player 1 select is not feasible on a 1.1 pcb, not that unlocking player 2 mode would do any good anyway. They saved a few cents by omitting this chip, and as well the ribbon headers on the pcb are no longer clearly marked, making hacking more difficult. Though I did not trace the pins on this chip to the button array, I fairly confident it was a cd4021 encoder chip, removed in revision 1.1, possibly under the glop top. Another difference, the Dig Dug cab is revision 1.1 (Galaga was 1.0) and an unmarked 16-pin smt chip originally present on the Galaga 1.0 pcb has been removed. Just press the tip of the soldering iron to both sides and it will slide off. It had jumpers on jp 1 and jp 2, this time in the form of zero ohm resistors instead of solder bridges. Dig Dug conveniently had four screws holding down the back of the case instead of six like Galaga. I opened up Dig Dug tonight to start the mod process. These will go into a separate thread in the sales forum. I may at some point offer DIP switch moded units for sale in the future. Feel free to post any information directly related to modding these arcade units. I also tore down a Bridge Direct Centipede and will be posting photos of my dfforts in the near future. I'm working on doing some mod projects on the 6 inch My Arcade Gaming "Micro Arcade Players" (primarily Namco) and the 4 inch Super Impulse "Tiny Arcade" cabinets.
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